import logging
from redis import StrictRedis


class Config(object):
    '''项目配置'''
    DEBUG = True

    SECRET_KEY = 'EjpNVSNQTyGi1VvWECj9TvC/+kq3oujee2kTfQUs8yCM6xX9Yjq52v54g+HVoknA'

    # 位数据库添加配置
    SQLALCHEMY_DATABASE_URI = "mysql://root:mysql@127.0.0.1:3306/information"
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    # 在请求结束时，SQLALchemy会自动执行一次db.session.commit()
    SQLALCHEMY_COMMIT_ON_TEARDOWN = True

    # redis的配置
    REDIS_HOST = '127.0.0.1'
    REDIS_PORT = 6379
    # session保存配置
    SESSION_TYPE = 'redis'
    # 开启session签名
    SESSION_USE_SIGNER = True
    # 指定session保存redis
    SESSION_REDIS = StrictRedis(host=REDIS_HOST, port=REDIS_PORT)
    # 设置需要过期
    SESSION_PERMANENT = False
    # 设置过期时间
    PERMANENT_SESSION_LIFETIME = 86400 *2

    # 设置日志等级
    LOG_LEVEL = logging.DEBUG

class DevelopmentConfig(Config):
    '''开发环境下的配置'''
    DEBUG = True

class ProductionConfig(Config):
    '''生产环境下的配置'''
    DEBUG = False
    LOG_LEVEL = logging.ERROR

class TestingConfig(Config):
    '''单元测试环境下的配置'''
    DEBUG = True
    TESTING = True

config = {
    'development': DevelopmentConfig,
    'production': ProductionConfig,
    'testing': TestingConfig
}